# encoder.h

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    00001 /* libFLAC++ - Free Lossless Audio Codec library
    00002  * Copyright (C) 2002,2003,2004,2005,2006,2007  Josh Coalson
    00003  *
    00004  * Redistribution and use in source and binary forms, with or without
    00005  * modification, are permitted provided that the following conditions
    00006  * are met:
    00007  *
    00008  * - Redistributions of source code must retain the above copyright
    00009  * notice, this list of conditions and the following disclaimer.
    00010  *
    00011  * - Redistributions in binary form must reproduce the above copyright
    00012  * notice, this list of conditions and the following disclaimer in the
    00013  * documentation and/or other materials provided with the distribution.
    00014  *
    00015  * - Neither the name of the Xiph.org Foundation nor the names of its
    00016  * contributors may be used to endorse or promote products derived from
    00017  * this software without specific prior written permission.
    00018  *
    00019  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    00020  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    00021  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    00022  * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
    00023  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
    00024  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
    00025  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
    00026  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
    00027  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
    00028  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
    00029  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    00030  */
    00031
    00032 #ifndef FLACPP__ENCODER_H
    00033 #define FLACPP__ENCODER_H
    00034
    00035 #include "export.h"
    00036
    00037 #include "FLAC/stream_encoder.h"
    00038 #include "decoder.h"
    00039 #include "metadata.h"
    00040
    00041
    00078 namespace FLAC {
    00079     namespace Encoder {
    00080
    00101         class FLACPP_API Stream {
    00102         public:
    00105             class FLACPP_API State {
    00106             public:
    00107                 inline State(::FLAC__StreamEncoderState state): state_(state) { }
    00108                 inline operator ::FLAC__StreamEncoderState() const { return state_; }
    00109                 inline const char *as_cstring() const { return ::FLAC__StreamEncoderStateString[state_]; }
    00110                 inline const char *resolved_as_cstring(const Stream &encoder) const { return ::FLAC__stream_encoder_get_resolved_state_string(encoder.encoder_); }
    00111             protected:
    00112 				::FLAC__StreamEncoderState state_;
    00113             };
    00114
    00115             Stream();
    00116             virtual ~Stream();
    00117
    00119
    00123             virtual bool is_valid() const;
    00124             inline operator bool() const { return is_valid(); }
    00125
    00126
    00127             virtual bool set_ogg_serial_number(long value);
    00128             virtual bool set_verify(bool value);
    00129             virtual bool set_streamable_subset(bool value);
    00130             virtual bool set_channels(unsigned value);
    00131             virtual bool set_bits_per_sample(unsigned value);
    00132             virtual bool set_sample_rate(unsigned value);
    00133             virtual bool set_compression_level(unsigned value);
    00134             virtual bool set_blocksize(unsigned value);
    00135             virtual bool set_do_mid_side_stereo(bool value);
    00136             virtual bool set_loose_mid_side_stereo(bool value);
    00137             virtual bool set_apodization(const char *specification);
    00138             virtual bool set_max_lpc_order(unsigned value);
    00139             virtual bool set_qlp_coeff_precision(unsigned value);
    00140             virtual bool set_do_qlp_coeff_prec_search(bool value);
    00141             virtual bool set_do_escape_coding(bool value);
    00142             virtual bool set_do_exhaustive_model_search(bool value);
    00143             virtual bool set_min_residual_partition_order(unsigned value);
    00144             virtual bool set_max_residual_partition_order(unsigned value);
    00145             virtual bool set_rice_parameter_search_dist(unsigned value);
    00146             virtual bool set_total_samples_estimate(FLAC__uint64 value);
    00147             virtual bool set_metadata(::FLAC__StreamMetadata **metadata, unsigned num_blocks);
    00148             virtual bool set_metadata(FLAC::Metadata::Prototype **metadata, unsigned num_blocks);
    00149
    00150             /* get_state() is not virtual since we want subclasses to be able to return their own state */
    00151             State get_state() const;
    00152             virtual Decoder::Stream::State get_verify_decoder_state() const;
    00153             virtual void get_verify_decoder_error_stats(FLAC__uint64 *absolute_sample, unsigned *frame_number, unsigned *channel, unsigned *sample, FLAC__int32 *expected, FLAC__int32 *got);
    00154             virtual bool     get_verify() const;
    00155             virtual bool     get_streamable_subset() const;
    00156             virtual bool     get_do_mid_side_stereo() const;
    00157             virtual bool     get_loose_mid_side_stereo() const;
    00158             virtual unsigned get_channels() const;
    00159             virtual unsigned get_bits_per_sample() const;
    00160             virtual unsigned get_sample_rate() const;
    00161             virtual unsigned get_blocksize() const;
    00162             virtual unsigned get_max_lpc_order() const;
    00163             virtual unsigned get_qlp_coeff_precision() const;
    00164             virtual bool     get_do_qlp_coeff_prec_search() const;
    00165             virtual bool     get_do_escape_coding() const;
    00166             virtual bool     get_do_exhaustive_model_search() const;
    00167             virtual unsigned get_min_residual_partition_order() const;
    00168             virtual unsigned get_max_residual_partition_order() const;
    00169             virtual unsigned get_rice_parameter_search_dist() const;
    00170             virtual FLAC__uint64 get_total_samples_estimate() const;
    00171
    00172             virtual ::FLAC__StreamEncoderInitStatus init();
    00173             virtual ::FLAC__StreamEncoderInitStatus init_ogg();
    00174
    00175             virtual bool finish();
    00176
    00177             virtual bool process(const FLAC__int32 * const buffer[], unsigned samples);
    00178             virtual bool process_interleaved(const FLAC__int32 buffer[], unsigned samples);
    00179         protected:
    00181             virtual ::FLAC__StreamEncoderReadStatus read_callback(FLAC__byte buffer[], size_t *bytes);
    00182
    00184             virtual ::FLAC__StreamEncoderWriteStatus write_callback(const FLAC__byte buffer[], size_t bytes, unsigned samples, unsigned current_frame) = 0;
    00185
    00187             virtual ::FLAC__StreamEncoderSeekStatus seek_callback(FLAC__uint64 absolute_byte_offset);
    00188
    00190             virtual ::FLAC__StreamEncoderTellStatus tell_callback(FLAC__uint64 *absolute_byte_offset);
    00191
    00193             virtual void metadata_callback(const ::FLAC__StreamMetadata *metadata);
    00194
    00195 #if (defined _MSC_VER) || (defined __BORLANDC__) || (defined __GNUG__ && (__GNUG__ < 2 || (__GNUG__ == 2 && __GNUC_MINOR__ < 96))) || (defined __SUNPRO_CC)
    00196             // lame hack: some MSVC/GCC versions can't see a protected encoder_ from nested State::resolved_as_cstring()
    00197             friend State;
    00198 #endif
    00199             ::FLAC__StreamEncoder *encoder_;
    00200
    00201             static ::FLAC__StreamEncoderReadStatus read_callback_(const ::FLAC__StreamEncoder *encoder, FLAC__byte buffer[], size_t *bytes, void *client_data);
    00202             static ::FLAC__StreamEncoderWriteStatus write_callback_(const ::FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], size_t bytes, unsigned samples, unsigned current_frame, void *client_data);
    00203             static ::FLAC__StreamEncoderSeekStatus seek_callback_(const FLAC__StreamEncoder *encoder, FLAC__uint64 absolute_byte_offset, void *client_data);
    00204             static ::FLAC__StreamEncoderTellStatus tell_callback_(const FLAC__StreamEncoder *encoder, FLAC__uint64 *absolute_byte_offset, void *client_data);
    00205             static void metadata_callback_(const ::FLAC__StreamEncoder *encoder, const ::FLAC__StreamMetadata *metadata, void *client_data);
    00206         private:
    00207             // Private and undefined so you can't use them:
    00208             Stream(const Stream &);
    00209             void operator=(const Stream &);
    00210         };
    00211
    00232         class FLACPP_API File: public Stream {
    00233         public:
    00234             File();
    00235             virtual ~File();
    00236
    00237             virtual ::FLAC__StreamEncoderInitStatus init(FILE *file);
    00238             virtual ::FLAC__StreamEncoderInitStatus init(const char *filename);
    00239             virtual ::FLAC__StreamEncoderInitStatus init(const std::string &filename);
    00240             virtual ::FLAC__StreamEncoderInitStatus init_ogg(FILE *file);
    00241             virtual ::FLAC__StreamEncoderInitStatus init_ogg(const char *filename);
    00242             virtual ::FLAC__StreamEncoderInitStatus init_ogg(const std::string &filename);
    00243         protected:
    00245             virtual void progress_callback(FLAC__uint64 bytes_written, FLAC__uint64 samples_written, unsigned frames_written, unsigned total_frames_estimate);
    00246
    00248             virtual ::FLAC__StreamEncoderWriteStatus write_callback(const FLAC__byte buffer[], size_t bytes, unsigned samples, unsigned current_frame);
    00249         private:
    00250             static void progress_callback_(const ::FLAC__StreamEncoder *encoder, FLAC__uint64 bytes_written, FLAC__uint64 samples_written, unsigned frames_written, unsigned total_frames_estimate, void *client_data);
    00251
    00252             // Private and undefined so you can't use them:
    00253             File(const Stream &);
    00254             void operator=(const Stream &);
    00255         };
    00256
    00257     }
    00258 }
    00259
    00260 #endif

Copyright (c) 2000,2001,2002,2003,2004,2005,2006,2007 Josh Coalson |